Jerrold B. Grossman is Director at ADMA BIOLOGICS, INC. (ADMA). They have made 22 open-market trades across 1 company since 2013, most recently 2026-05-27.
CIK 0001542519
20 open-market purchases totalling $3.0M since 2013, against 2 sales. Across 20 scored buys the stock is down 6.5% at ninety days, and 7.8 points behind the S&P over the same stretch.
20 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| ADMA | 520,284 | $5.6M |
| PrivateUnlisted | 390,286 | — |
| Total | $5.6M |
Shares reported on the most recent Form 4, priced at the 2026-05-28 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 15% | 20% | 25% |
| Avg Move | -10.9% | -6.5% | -6.5% |
| Alpha | -8.0% | -4.8% | -7.8% |
| Scored | 20 | 20 | 20 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ADMA | BUY | 2026-05-27 | 2026-05-28 | $7.91 | $51K | +1.6% | +4.8% | +20.4% |
| ADMA | BUY | 2026-05-12 | 2026-05-14 | $8.01 | $100K | -7.1% | -0.4% | +14.7% |
| ADMA | BUY | 2026-05-11 | 2026-05-12 | $8.01 | $100K | -2.6% | -1.5% | +15.5% |
| ADMA | SELL | 2025-06-09 | 2025-06-10 | $21.31 | $213K | -14.0% | -11.1% | -20.9% |
| ADMA | SELL | 2024-08-29 | 2024-08-30 | $17.27 | $4.7M | +2.0% | +15.5% | +16.2% |
| ADMA | BUY | 2023-08-30 | 2023-08-30 | $3.71 | $482K | +0.8% | -5.5% | -1.8% |
| ADMA | BUY | 2021-10-25 | 2021-10-26 | $1.00 | $100K | -2.9% | +3.6% | -0.7% |
| ADMA | BUY | 2020-09-10 | 2020-09-11 | $2.22 | $11K | -5.4% | +8.0% | -2.2% |
| ADMA | BUY | 2020-08-21 | 2020-08-25 | $2.56 | $14K | -18.1% | -24.7% | -32.8% |
| ADMA | BUY | 2020-08-12 | 2020-08-13 | $2.89 | $30K | -6.6% | -21.8% | -39.6% |
| ADMA | BUY | 2020-02-11 | 2020-02-11 | $3.50 | $160K | -7.9% | -42.4% | -29.7% |
| ADMA | BUY | 2019-05-17 | 2019-05-21 | $4.00 | $48K | -5.6% | -18.0% | -7.9% |
| ADMA | BUY | 2018-06-08 | 2018-06-11 | $4.78 | $500K | +3.6% | -6.2% | +38.2% |
| ADMA | BUY | 2016-05-03 | 2016-05-05 | $6.50 | $595K | -4.1% | +18.3% | +4.3% |
| ADMA | BUY | 2015-12-18 | 2015-12-22 | $8.48 | $34K | -20.4% | -25.0% | -25.3% |
| ADMA | BUY | 2015-12-07 | 2015-12-09 | $9.01 | $5K | -20.4% | -10.6% | -38.6% |
| ADMA | BUY | 2015-12-02 | 2015-12-04 | $9.16 | $55K | -20.4% | -1.5% | -37.3% |
| ADMA | BUY | 2015-03-16 | 2015-03-18 | $8.00 | $14K | -20.4% | -1.5% | -1.5% |
| ADMA | BUY | 2014-09-11 | 2014-09-15 | $9.50 | $8K | -20.4% | -1.5% | -1.5% |
| ADMA | BUY | 2013-12-10 | 2013-12-19 | $7.30 | $4K | -20.4% | -1.5% | -1.5% |
| ADMA | BUY | 2013-12-10 | 2013-12-12 | $7.30 | $27K | -20.4% | -1.5% | -1.5% |
| ADMA | BUY | 2013-10-22 | 2013-10-23 | $8.50 | $675K | -20.4% | -1.5% | -1.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.